Histiocytosis, Langerhans-CellHistiocytosisEosinophilic GranulomaHistiocytosis, SinusErdheim-Chester DiseaseHistiocytesHistiocytic SarcomaXanthogranuloma, JuvenileHistiocytosis, Non-Langerhans-CellLangerhans CellsBone DiseasesVulvar DiseasesOrbital DiseasesAntigens, CD1Lymphatic DiseasesDiabetes InsipidusPolydipsiaSea-Blue Histiocyte SyndromePenile DiseasesForeheadVinblastineSkin DiseasesHypoaldosteronismRemission, SpontaneousFatal OutcomeOrbital NeoplasmsTomography, X-Ray ComputedPrednisoneCladribineSpinal DiseasesMannose-Binding LectinsBiopsyLung Diseases, InterstitialS100 ProteinsLung DiseasesMagnetic Resonance Imaging